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Only part of the manganese dioxide minerals is formed bv weathering. It is considered, however, from the observation of occurrence, ore structure and mineral paragenesis that the larger part of manganese dioxiae ore minerals is deposited from hydrothermal solutions. Manganese dioxide ore minerals were studied by means of microscopic observation, X-ray powder method, differential thermal and thermo-gravimetric analysis and chemical analysis. These ore minerals were composed of yokosukaite, resembling todorokite, amorphous manganese dioxide mineral and some unidentified manganese minerals. The mineralogical propertiese of ore minerals may be summarized as follows. Yokosukaite shows the typical characters of T.G.A. and D.T.A. curves, and its chemical formula is ( Mn^\u003c2+\u003e_\u003c0.10\u003e Na_\u003c0.04\u003e)_\u003c0.04\u003e Mn^\u003c4+\u003e_\u003c0.86\u003eO_\u003c1.69\u003e (OH)_\u003c0.31\u003e. 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埼玉県秩父鉱山大黒マンガン鉱床産二酸化マンガン鉱の鉱物組成
http://hdl.handle.net/10097/32448
http://hdl.handle.net/10097/324487069eb4c-b54b-4c8a-96c2-4c05ccec4197
名前 / ファイル | ライセンス | アクション |
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KJ00002352342.pdf (1.3 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-02 | |||||
タイトル | ||||||
タイトル | 埼玉県秩父鉱山大黒マンガン鉱床産二酸化マンガン鉱の鉱物組成 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
岡田, 広吉
× 岡田, 広吉× 渡辺, 斌 |
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著者(ヨミ) | ||||||
姓名 | OKADA, Kokichi | |||||
著者(ヨミ) | ||||||
姓名 | WATANABE, Akira | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Daikoku manganese deposit in the Chichibu mine occurs in paleozoic sedimentary rocks, and manganese ore minerals in the vein consist mainly of rhodochrosite, the so-called manganoan ankerite and manganese dioxide minerals. Only part of the manganese dioxide minerals is formed bv weathering. It is considered, however, from the observation of occurrence, ore structure and mineral paragenesis that the larger part of manganese dioxiae ore minerals is deposited from hydrothermal solutions. Manganese dioxide ore minerals were studied by means of microscopic observation, X-ray powder method, differential thermal and thermo-gravimetric analysis and chemical analysis. These ore minerals were composed of yokosukaite, resembling todorokite, amorphous manganese dioxide mineral and some unidentified manganese minerals. The mineralogical propertiese of ore minerals may be summarized as follows. Yokosukaite shows the typical characters of T.G.A. and D.T.A. curves, and its chemical formula is ( Mn^<2+>_<0.10> Na_<0.04>)_<0.04> Mn^<4+>_<0.86>O_<1.69> (OH)_<0.31>. Resembling todorokite has been identified only by the X-ray pattern, which shows good agreement with Wadsley's compound, (Na, Mn) Mn_3O_7・2 H_2O. The X-ray pattern of amorphous manganese dioxide mineral has been shown that is amorphous, chemical formula MnO_2,D.T.A. curve has no peak, and the loss in weight is about 10% at 200 to 800℃. | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 = Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 19, 号 2, p. 113-125, 発行日 1964-03-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040876X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00168425 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | Mineralogical Composition of Manganese Ores from the Daikoku Manganese Deposit, Chichibu Mine, Saitama Prefecture, Japan | |||||
出版者 | ||||||
出版者 | 東北大學選鉱製錬研究所 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 紀要類(bulletin) | |||||
登録日 | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
公開日(投稿完了日) | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
発行日 | ||||||
日付 | 1964-03-30 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 1322044 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |